Volleyball, and Baseball because you need to have power. In volleyball you need power to spike the ball. You need power to hit the ball in baseball.
The brown stuff is called plaque. This forms on your teeth when you eat and its something you can't get rid of. There is tooth paste that can help maintain it.
First, you separate the whole number from the decimals. You get 2 and .64. Then you put the decimal over 100 (64/100) as a fraction and simplify. The answer as a mixed number is: 2 16/25
